6LGQ

The crystal complex structure of histidine kinase and response regulator

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (C)	Histidine kinase KdpD	polymer	251	27321.9	1	UniProt (A0A069C8B3) Pfam (PF00512) Pfam (PF02518) UniProt (by SIFTS) (P21865)	Escherichia coli	Sensor protein KdpD,Two-component sensor histidine kinase,Two-component sensor kinase,Two-component system sensor histidine kinase KdbD
2	B (D)	DNA-binding response regulator	polymer	241	27206.1	1	UniProt (A0A061KF22) Pfam (PF00072) Pfam (PF00486) UniProt (by SIFTS) (P21866)	Escherichia coli	KDP operon transcriptional regulatory protein KdpE,Response regulator in two-component regulatory system with KdpD,Transcriptional regulator,Two-component regulatory system response regulator KdpE,Two-component response regulator,Two-component system response regulator,Two-component system response regulator KdpE,VanR-G_1_AY271782
3	C, D (C, D)	water	water		18.0	7	Chemie (HOH)

Sequence modifications

C: 661 - 894 (UniProt: A0A069C8B3)

PDB	External Database	Details
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
Gly -9	-	expression tag
Leu -8	-	expression tag
Val -7	-	expression tag
Pro -6	-	expression tag
Arg -5	-	expression tag
Gly -4	-	expression tag
Ser -3	-	expression tag
His -2	-	expression tag
Met -1	-	expression tag

D: 1 - 225 (UniProt: A0A061KF22)

PDB	External Database	Details
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	54528.0
All*	Total formula weight	54528.0

*Water molecules are not included.